2020 BMW Z4 vs. 2019 Mercedes AMG C 63 Cabriolet

Detailed Review, Specifications & Comparison

Your buying experience includes...

business_centerProfessional Staff
account_balanceSimple Financing
local_gas_stationFull Tank of Gas
local_car_washFree Car Wash

Safety

The Z4 has standard Post-Crash Braking, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The AMG C 63 Cabriolet doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

Both the Z4 and the AMG C 63 Cabriolet have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, driver alert monitors, available lane departure warning systems, blind spot warning systems, rear parking sensors and rear cross-path warning.

Warranty

The Z4’s corrosion warranty is 7 years longer than the AMG C 63 Cabriolet’s (12 vs. 5 years).

BMW pays for scheduled maintenance on the Z4 for 3 years and 36,000 miles. BMW will pay for oil changes, lubrication and any other required maintenance. Mercedes doesn’t pay scheduled maintenance for the AMG C 63 Cabriolet.

Reliability

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that BMW vehicles are more reliable than Mercedes vehicles. J.D. Power ranks BMW 7th in reliability, above the industry average. With 12 more problems per 100 vehicles, Mercedes is ranked 13th.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that BMW vehicles are more reliable than Mercedes vehicles. Consumer Reports ranks BMW 9 places higher in reliability than Mercedes.

Fuel Economy and Range

On the EPA test cycle the Z4 gets better fuel mileage than the AMG C 63 Cabriolet:

MPG

Z4

sDrive30i 2.0 turbo 4-cyl.

25 city/32 hwy

M40i 3.0 turbo 6-cyl.

24 city/31 hwy

AMG C 63 Cabriolet

4.0 turbo V8

17 city/24 hwy

S 4.0 turbo V8

17 city/24 hwy

Regenerative brakes improve the Z4’s fuel efficiency by converting inertia back into energy instead of wasting it. The AMG C 63 Cabriolet doesn’t offer a regenerative braking system.

Brakes and Stopping

The Z4 stops shorter than the AMG C 63 Cabriolet:

Z4

AMG C 63

70 to 0 MPH

146 feet

155 feet

Car and Driver

Suspension and Handling

The Z4’s front to rear weight distribution is more even (49.9% to 50.1%) than the AMG C 63 Cabriolet’s (53.5% to 46.5%). This gives the Z4 more stable handling and braking.

The Z4 sDrive30i handles at 1.00 G’s, while the AMG C 63 Cabriolet S pulls only .97 G’s of cornering force in a Car and Driver skidpad test.

For better maneuverability, the Z4’s turning circle is 1.1 feet tighter than the AMG C 63 Cabriolet’s (36 feet vs. 37.1 feet).

Chassis

The BMW Z4 may be more efficient, handle and accelerate better because it weighs about 800 to 950 pounds less than the Mercedes AMG C 63 Cabriolet.

The Z4 is 1 foot, 4.4 inches shorter than the AMG C 63 Cabriolet, making the Z4 easier to handle, maneuver and park in tight spaces.

Passenger Space

The Z4 has .1 inches more front headroom and .2 inches more front legroom than the AMG C 63 Cabriolet.

Cargo Capacity

The Z4 has a much larger trunk than the AMG C 63 Cabriolet with its top down (9.9 vs. 7 cubic feet). The Z4 has a much larger trunk than the AMG C 63 Cabriolet with its top up (9.9 vs. 8.8 cubic feet).

Ergonomics

On extremely cold winter days, the Z4’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The AMG C 63 Cabriolet doesn’t offer a heated steering wheel.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

How much is your car worth?

Get the best value for your car from an Asbury dealership.

Featured Videos